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The diagram below shows part of a circui...

The diagram below shows part of a circuit:

If this arrangement of three resistors was to be replaced by a single resistors, its resistance should be:

A

`9 Omega`

B

`4Omega`

C

`6Omega`

D

`18Omega`

Text Solution

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The correct Answer is:
A
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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. The figure given below shows three resistors: Their combined resi...

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  2. If two resistors of 25 Omega and 15 Omega are joined together in serie...

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  3. The diagram below shows part of a circuit: If this arrangement of...

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  4. In the circuit shown below: The potential difference across the 3...

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  5. A battery and three lamps are connected as shown: Which of the fo...

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  6. V(1),V(2) and V(3) are the p.ds. across the 1Omega, 2Omega and 3Omega ...

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  7. A wire of resistance R(1) is cur into five equal pieces. These five pi...

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  8. Show with the help of diagrams, how you would connet three resistors e...

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  9. Two resistances when connected in parallel give resultant value of 2 o...

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  10. A resistor of 8 ohms is connected in parallel with another resistor X....

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  11. You are given three resistances of 1,2 and 3 ohms. Show by diagrams, h...

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  12. How will you connect three resistors of 2Omega, 3Omega and 5Omega resp...

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  13. How will you connect three resistors of 2Omega, 3Omega and 6Omega to o...

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  14. What is : (a) the highest (b) the lowest total resistances that can b...

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  15. What is the resistance between A and B in the figure given below?

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  16. You are given one hundred 1Omega resistors. What is the smallest and l...

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  17. You are supplied with a number of 100Omega resistors. How could you co...

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  18. The resistors R(1),R(2),R(3) and R(4) in the figure given below are al...

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  19. Four resistances of 16 ohms each are connected in parallel. Four such ...

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  20. If the lamps are both the same in the figure given below and if A(1) r...

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